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          Why do you insist on buying a car ______ you have such good public transportation here?
          A．becauseB．unlessC．whenD．though
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C

          試題分析：句意：既然你們這里有這么好的公共交通，你為什么還要買一輛汽車？when除了表示“當(dāng)…時候”,還有“既然”的意思，because“因為”，unless“除非”，though“雖然”，根據(jù)句意選C。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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